(0 19 17)(1 20 13)(2 8 6)(3 10 4)(5 18 15)(7 11 9)(12 16 14)
ALLOWS (11/8)-SEQUENCE
1: (0 19 20)
(0 13 1 20 17)(2 8 6)(3 10 4)(5 18 15)(7 11 9)(12 16 14)(19)
2: (0 13 17)
(0)(1 20 17)(2 8 6)(3 10 4)(5 18 15)(7 11 9)(12 16 14)(13)(19)
3: (5 18 15)
(0)(1 20 17)(2 8 6)(3 10 4)(5)(7 11 9)(12 16 14)(13)(15)(18)(19)
4: (1 20 17)
(0)(1)(2 8 6)(3 10 4)(5)(7 11 9)(12 16 14)(13)(15)(17)(18)(19)(20)